用线性电位扫描、Tafel极化曲线、恒流放电、交流阻抗、失重法等方法研究AZ31镁合金在MgSO4溶液中的电化学行为,考察其作为电池负极材料的性能,并研究十二烷基苯磺酸钠对AZ31镁合金的缓蚀性能.结果表明:负差效应的存在极大降低AZ31镁合金的电流效率;未经放电时,合金自放电电流密度小,但放电后,自放电增强,存储能力降低.十二烷基苯磺酸钠能对AZ31合金起到缓蚀作用,提高放电电流效率,但会使续放电时出现电位滞后的现象.
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